Can I set this up to open and close a home door lock that turns dc motor?

It’s just a relay. It simply sends the 12vdc from the supply to either line. What you use the 12vdc for is irrelevant, providing it doesn’t draw more current than the relay is rated for. For a lock the only issue I can see is when you would cut power off. You would need to manually trigger the relay and time it yourself, knowing how long it takes the lock to fully engage or disengage. At the price of this it’s worth trying, yet I would imagine someone makes ‘smart locks’, albeit for likely a few hundred bucks. The distance from your trigger to the lock will be a factor, yet assuming we’re talking about a house, I can’t see that being an issue. You’ll need to run 2 wires minimum, 3 if you want forward and reverse. Either a 3 way rocker switch or 2 separate switches.

can i use with photocell?

I do understand the concept of a photocell, but have not used it with this module. It maybe possible, but not sure how the module may react with any type variable voltage that photocell could have to activate the module as a switch. Me personally, if I had an application that needed a photocell, I would not hesitate to try it out with the module and take my chances of needed.

If i supply pwm 12v to the v+, does it pass through to the m1, enabling pwm speed control?

Not sure how to answer your question but there are different ways to get what want from this device. The for/rev wires are simply a switch that will control the direction of the currect for M1 or M2

Does anyone know how to wire this relay to a plc cpu with sourcing outputs?

It will require adding 2 spst relays and turn each on with you PLC outputs. The fwd/rev motor relay requires a hard contact closure between 0 & fwd and 0 & rev for it to operate.

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🔧 Power Your Projects with Precision!

VISUAL FEEDBACK - LED indicators keep you informed of operational status.
COMPACT CONVENIENT - Lightweight design for easy installation in any setup.
SEAMLESS REVERSIBILITY - Easily control motor direction with a simple switch.
VERSATILE APPLICATIONS - Perfect for any project requiring precise motor control.
ENERGY EFFICIENT DESIGN - Zero power consumption when idle—save energy effortlessly.

The Forward and Reverse Relay Module by CZH-LABS is a compact and efficient solution for controlling reversing motor equipment. With a rated current of 10 Amps and operating voltage of 10-15V DC, this module features both momentary and alternate action switches, ensuring versatile functionality. Its energy-efficient design means no power is consumed when idle, while LED indicators provide clear status updates. Ideal for DIY enthusiasts and professionals alike, this relay module is a must-have for any project requiring reliable motor control.

Reviews

T**L

Simplicity

This comes from the USA so a bit of a wait but worth it. Looked for original replacement but £150+ forget it found tis one and took a chance, well talk about easy fit power in power out and switch cables couldn’t be easier to fit. Would I recommend? In a heartbeat. Great piece of kit great price easy fit….

3.05.2025

M**N

Reverse forward relay

Works fine. Used it for single washer pump conversion on a 🚗 car. Works fine

18.06.2023

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Manufacturer	CZH-LABS
Part number	F-1020
Item Weight	68 g
Package Dimensions	9.19 x 5.59 x 3.4 cm; 68 g
Item model number	F-1020
Style	DC 12V
Wattage	125 watts
Item Package Quantity	1
Plug profile	Surface Mount
Specification met	energy
Batteries included?	No
Batteries Required?	No

Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V)

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